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Ordering number: EN1651B
Thick Film Hybrid IC
STK4191V
AF Power Amplifier (Split Power Supply)
(50W + 50W min, THD = 0.08%)
Features
Package Dimensions
• Built-in muting circuit to cut off various kinds of pop
noise.
• Greatly reduced heat sink due to substrate temperature
125°C guaranteed.
• Distortion 0.08% due to current mirror circuit.
• Pin-compatible with the STK4101II series. The
STK4101V series use the same package and are available for output 6W to 50W.
• Excellent cost performance.
unit: mm
4040
[STK4191V]
Specifications
Maximum Ratings at Ta = 25°C
Parameter
Maximum supply voltage
Thermal resistance
Junction temperature
Operating substrate temperature
Storage temperature
Symbol
Conditions
Ratings
VCC max
±53
V
θj-c
1.8
°C/W
Tjmax
150
°C
Tc
125
°C
−30 to +125
°C
2
s
Tstg
Available time for load short-circuit
Unit
ts
VCC = ±35.5V, RL = 8Ω, f = 50Hz, PO = 50W
Recommended Operating Conditions at Ta = 25°C
Parameter
Symbol
Conditions
Ratings
Unit
Recommended supply voltage
VCC
±35.5
V
Load resistance
RL
8

SANYO Electric Co., Ltd. Semiconductor Business Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
61197HA (ID) / 8298MO / 4085KI No. 1651—1/5
STK4191V
Operating Characteristics at Ta = 25°C, VCC = ±35.5V, RL = 8Ω (non-inductive), Rg = 600Ω, VG = 40 dB unless
otherwise specified, at specified test circuit (based on sample application circuit)
Parameter
Quiescent current
Symbol
Frequency response
Input impedance
typ
max
Unit
40
100
mA
VCC = ±42.5V
20
PO (1)
50
W
PO (2)
VCC = ±32V, f = 1kHz,
THD = 0.2%, RL = 4Ω
55
W
THD
f = 1kHz, Po = 1W
fL, fH
+0
PO = 1W,
dB
−3
ri
0.08